CN104430450A - Herbicidal composition of triafamone and pyrazosulfuron - Google Patents
Herbicidal composition of triafamone and pyrazosulfuron Download PDFInfo
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- CN104430450A CN104430450A CN201410709521.4A CN201410709521A CN104430450A CN 104430450 A CN104430450 A CN 104430450A CN 201410709521 A CN201410709521 A CN 201410709521A CN 104430450 A CN104430450 A CN 104430450A
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- Prior art keywords
- pyrazosulfuron
- ketone sulphur
- fluorine ketone
- grass amine
- sulphur grass
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Abstract
The invention discloses a herbicidal composition, comprising the components of commonly used additives, triafamone and pyrazosulfuron, wherein the ratio of the triafamone to the pyrazosulfuron in parts by weight is (10:1) to (1:10); and the total weight percentage of the triafamone and the pyrazosulfuron in the composition is 1%-80%. The herbicidal composition disclosed by the invention has an obvious synergistic effect on annual weeds in a paddy field; the dosage of pesticides is lowered; the application cost is reduced; the service life of the pesticides is prolonged; and the adverse effects on the ecological environment caused by the pesticides are reduced.
Description
Technical field
The Herbicidal combinations that the present invention relates to, be with fluorine ketone sulphur grass amine and pyrazosulfuron for active ingredient, for preventing and kill off farmland weed, be particularly useful for preventing and kill off paddy field annual weed.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, because some weed killer herbicide kind large area are used alone, a lot of weeds have been caused to develop immunity to drugs.Simultaneously, grass when weeds occur is mutually complicated, not only annual and perennial weed is mixed raw, draft, liana and shrub have concurrently, and weeds emerge uneven, seed, low age, the staggered generation of weeds at advanced age, so when weed killer herbicide kind is used alone, defect in a certain respect and limitation all can be shown.
Fluorine ketone sulphur grass amine belongs to amides compound, wide spectrum selective post-emergence herbicide, mechanism of action is similar to sulfonylurea and imidazolone weed killer herbicide, all belong to acetolactate synthestase (ALS) inhibitor, to paddy rice, common wheat, Korea lawn grass, there is activity of weeding after selectivity super-high-efficient bud, without activity of weeding before bud, for preventing and kill off the various grassy weed such as barnyard grass, large fringe amur foxtail, polygonum flaccidum and the assorted effect of drawing of broad-leaved is distinguished, to paddy rice, common wheat safety, weeding speed is slower, can weed growth be suppressed after dispenser, but must be withered after 2 weeks.
Pyrazosulfuron belongs to sulfonylurea herbicide, mainly by suppressing the activity of acetolactate synthestase to suppress weed growth.Medicament is by cauline leaf Assimilation and conductivity to the growing point of meristematic tissue and root, and effect rapidly, stops growing for after dispenser 2-3 days, and within 5-6 days, lobus cardiacus chlorosis is downright bad, meristematic tissue browning look, and blade is withered gradually, is the extremely strong cauline leaf inorganic agent of selectivity.
When fluorine ketone sulphur grass amine and the single use of pyrazosulfuron, all there are certain defect and limitation.
The mixture of the present inventor to fluorine ketone sulphur grass amine and pyrazosulfuron conducts in-depth research, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that fluorine ketone sulphur grass amine and pyrazosulfuron carry out mixture, within the scope of certain mixed ratio, obvious synergistic effect is shown to paddy field weed, after further study, the present invention is completed.
Mixture and the application of fluorine ketone sulphur grass amine and pyrazosulfuron there is no report at present.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting are good, and the lasting period is long, is conducive to the Herbicidal combinations of the farmland weed comprehensive regulation.
Another object of the present invention is to provide and is used for preventing and kill off farmland weed by this Herbicidal combinations, is particularly useful for preventing and kill off paddy field annual weed etc.
Technical scheme: for achieving the above object, the invention provides the Herbicidal combinations that a kind of active ingredient is made up of fluorine ketone sulphur grass amine and pyrazosulfuron, fluorine ketone sulphur grass amine and pyrazosulfuron ratio of weight and number are in the composition 10:1 ~ 1:10, and fluorine ketone sulphur grass amine and pyrazosulfuron weight summation percentage by weight are in the composition 1% ~ 80%.
Preferably, fluorine ketone sulphur grass amine and pyrazosulfuron weight summation percentage by weight are in the composition 10-60%.
Described Herbicidal combinations according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural uses such as oil-suspending agent, suspending agent, wetting powder or water dispersible granules agent.
Described Herbicidal combinations is also containing the usual auxiliaries of preparation needed for pesticidal preparations, comprise the mixing of one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, surfactant etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The production technology of the various application forms of Herbicidal combinations provided by the invention all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.
Herbicidal combinations provided by the invention, for preventing and kill off paddy field annual weed.
Product described in the invention can the form of finished product preparation provide, and namely in composition, each material mixes, and the composition of composition also can the form of single dose provide, and directly mixes in tank or bucket, be then diluted to required concentration before using.The frequency of administration of the present composition and amount of application change with weather condition and crop condition change, can by the object using suitable formulation to reach control.
1, Herbicidal combinations provided by the invention, in certain ratio range, show obvious synergistic effect, the control efficiency of composition is significantly improved than single dose, reduces the using dosage of agricultural chemicals, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, Herbicidal combinations provided by the invention, the combination of two kinds of active ingredients, expands herbicidal spectrum, and two kinds of active ingredient mechanism of action are different simultaneously, can overcome the generation of resistance, extends the service life of medicament.
3, Herbicidal combinations provided by the invention is conducive to delaying the drug-fast generation of paddy field annual weed, to the comprehensive regulation important in inhibiting of rice weed resistance.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Example of formulations one: 12% fluorine ketone sulphur metazachlor Sulfometuron Methyl wetting powder.
Mix entering in blender after above-mentioned formula in proportion coarse crushing, more namely obtain 12% fluorine ketone sulphur metazachlor Sulfometuron Methyl wetting powder after air-flow crushing.
Example of formulations two: 18% fluorine ketone sulphur metazachlor Sulfometuron Methyl suspending agent.
Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 18% fluorine ketone sulphur metazachlor Sulfometuron Methyl suspending agent of allotment after high shear mixing.
Example of formulations three: 30% fluorine ketone sulphur metazachlor Sulfometuron Methyl water dispersible granules.
By above-mentioned formula dry pulverization process, granulation, drying, the obtained 30% fluorine ketone sulphur metazachlor Sulfometuron Methyl water-dispersible granules of screening preparation in proportion.
Example of formulations four: 15% fluorine ketone sulphur metazachlor Sulfometuron Methyl oil-suspending agent.
By above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve uniformly oil phase; Under high velocity agitation, the obtained 15% fluorine ketone sulphur metazachlor Sulfometuron Methyl oil-suspending agent of mixing.
Assays Example one: Toxicity Determination is tested.
Test material:
Moleplant seed (field collection Seed storage).
Barnyard grass (field collection Seed storage).
Test apparatus:
Controlled illumination box; The accurate laboratory spray tower of POTTER; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method:
First take the former medicine of 96% fluorine ketone sulphur grass amine of certain mass, the former medicine of 95% pyrazosulfuron, adds the Tween 80 aqueous solution dilution that acetone fully dissolves rear use 0.1%, is mixed with single dose mother liquor respectively, arrange serial proportioning according to mixture object, each proportioning arranges 5 ~ 7 concentration gradients.Select representative susceptible weeds seed for subsequent use according to single dose herbicide spectrum.After carrying out soil treatment by selecting the process of numbering, to be placed in illumination box incubated at room temperature 10 days, to calculate control efficiency (fresh weight), then with method of least squares calculate suppress in dense EC
50(95% confidence limit), then calculate co-toxicity coefficient (CTC) by the abundant method of Sun Yun.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100.
Theoretical toxicity index (the TTI)=percentage composition of A (in the toxicity index × mixture of the A)+percentage composition of B (in the toxicity index × mixture of B).
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
Measurement result shows, fluorine ketone sulphur grass amine and pyrazosulfuron, between proportioning 10:1 ~ 1:10, have obvious synergistic effect.
Table 1, different ratio fluorine ketone sulphur grass amine and pyrazosulfuron are to the synergy measurement result of barnyard grass
Table 2, different ratio fluorine ketone sulphur grass amine and pyrazosulfuron are to the synergy measurement result of moleplant seed
Assays Example two: prevent and kill off paddy field annual weed field control effectiveness test.
Reagent agent and dispenser dosage:
(1) 12% fluorine ketone sulphur metazachlor Sulfometuron Methyl wetting powder (8% fluorine ketone sulphur grass amine: 4% pyrazosulfuron), active ingredient dosage 45 grams/ha (1#).
(2) 18% fluorine ketone sulphur metazachlor Sulfometuron Methyl suspending agents (12% fluorine ketone sulphur grass amine: 6% pyrazosulfuron), active ingredient dosage 45 grams/ha (2#).
(3) 30% fluorine ketone sulphur metazachlor Sulfometuron Methyl water dispersible granules (20% fluorine ketone sulphur grass amine: 10% pyrazosulfuron), active ingredient dosage 45 grams/ha (3#).
(4) 15% fluorine ketone sulphur metazachlor Sulfometuron Methyl oil-suspending agents (10% fluorine ketone sulphur grass amine: 5% pyrazosulfuron), active ingredient dosage 45 grams/ha (4#).
Contrast medicament and dispenser dosage:
(1) 5% fluorine ketone sulphur grass amine wetting powder, active ingredient dosage 45 grams/ha (5#).
(2) 10% pyrazosulfuron wetting powders, active ingredient dosage 20 grams/ha (6#).
Spraying time: dispenser in 7 days after rice transplanting, is watered even spraying.
Result of the test: in table 3, as can be seen from the test results: after dispenser 30 days, Herbicidal combinations of the present invention to the strain preventive effect of paddy field annual weed and fresh weight preventive effect all more than 90%, significantly better than the single dose of contrast, and expand herbicidal spectrum, in process of the test, each medicament is showed no poisoning generation
To rice safety.
Table 3, prevent and kill off the field control effectiveness test result (after medicine 30 days) of paddy field annual weed
Claims (6)
1. the Herbicidal combinations of a fluorine ketone sulphur grass amine and pyrazosulfuron, comprise usual auxiliaries, fluorine ketone sulphur grass amine and pyrazosulfuron, it is characterized in that: fluorine ketone sulphur grass amine and pyrazosulfuron ratio of weight and number are in the composition 10:1 ~ 1:10, fluorine ketone sulphur grass amine and pyrazosulfuron weight summation percentage by weight are in the composition 1% ~ 80%.
2. the Herbicidal combinations of a kind of fluorine ketone sulphur grass amine and pyrazosulfuron according to claim 1, is characterized in that: described fluorine ketone sulphur grass amine and pyrazosulfuron weight summation preferred mass percentage are in the composition 10-60%.
3. the Herbicidal combinations of a kind of fluorine ketone sulphur grass amine according to claim 1 and pyrazosulfuron, is characterized in that: described usual auxiliaries is one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, surfactant.
4. the Herbicidal combinations of a kind of fluorine ketone sulphur grass amine according to claim 1 and pyrazosulfuron, is characterized in that: the formulation of the Herbicidal combinations of fluorine ketone sulphur grass amine and pyrazosulfuron is the one in oil-suspending agent, suspending agent, wetting powder or dosage form of water dispersible granule.
5. an application for the Herbicidal combinations of fluorine ketone sulphur grass amine and pyrazosulfuron, is characterized in that: for preventing and kill off farmland weed.
6. the application of the Herbicidal combinations of a kind of fluorine ketone sulphur grass amine according to claim 5 and pyrazosulfuron, is characterized in that: described farmland weed is paddy field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709521.4A CN104430450A (en) | 2014-11-27 | 2014-11-27 | Herbicidal composition of triafamone and pyrazosulfuron |
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|---|---|---|---|
| CN201410709521.4A CN104430450A (en) | 2014-11-27 | 2014-11-27 | Herbicidal composition of triafamone and pyrazosulfuron |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105379744A (en) * | 2015-11-26 | 2016-03-09 | 广东中迅农科股份有限公司 | Weeding composition prepared from pyriminobac-methyl, propyrisulfuron and triafamone |
| CN105409995A (en) * | 2015-11-26 | 2016-03-23 | 广东中迅农科股份有限公司 | Weeding composition containing pyriminobac-methyl, metazosulfuron and triafamone |
| CN106172459A (en) * | 2016-07-08 | 2016-12-07 | 广东中迅农科股份有限公司 | A kind of containing flucetosulfuron with the Herbicidal combinations of fluorine ketone sulphur grass amine |
| CN107242243A (en) * | 2017-06-27 | 2017-10-13 | 东南大学成贤学院 | Herbicidal combinations and its application of a kind of careless amine of fluorinated ketones contained sulphur and pyridate |
| CN108719305A (en) * | 2018-06-05 | 2018-11-02 | 广东中迅农科股份有限公司 | Herbicidal combinations containing furans sulphur humulone and fluorine ketone sulphur grass amine and sulfonylurea herbicide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420099A (en) * | 1991-12-24 | 1995-05-30 | Shell Research Limited | Sulfanomide herbicides |
| CN102186346A (en) * | 2008-08-14 | 2011-09-14 | 拜尔农作物科学股份公司 | Herbicidal combination comprising dimethoxy-triazinyl-substituted difluoromethane sulfonylanilides |
| CN103269591A (en) * | 2010-10-22 | 2013-08-28 | 拜耳知识产权有限责任公司 | Herbicide combination with a dimethoxytriazinyl-ubstituted difluoromethanesulphonylanilide |
-
2014
- 2014-11-27 CN CN201410709521.4A patent/CN104430450A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420099A (en) * | 1991-12-24 | 1995-05-30 | Shell Research Limited | Sulfanomide herbicides |
| CN102186346A (en) * | 2008-08-14 | 2011-09-14 | 拜尔农作物科学股份公司 | Herbicidal combination comprising dimethoxy-triazinyl-substituted difluoromethane sulfonylanilides |
| CN103269591A (en) * | 2010-10-22 | 2013-08-28 | 拜耳知识产权有限责任公司 | Herbicide combination with a dimethoxytriazinyl-ubstituted difluoromethanesulphonylanilide |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105379744A (en) * | 2015-11-26 | 2016-03-09 | 广东中迅农科股份有限公司 | Weeding composition prepared from pyriminobac-methyl, propyrisulfuron and triafamone |
| CN105409995A (en) * | 2015-11-26 | 2016-03-23 | 广东中迅农科股份有限公司 | Weeding composition containing pyriminobac-methyl, metazosulfuron and triafamone |
| CN106172459A (en) * | 2016-07-08 | 2016-12-07 | 广东中迅农科股份有限公司 | A kind of containing flucetosulfuron with the Herbicidal combinations of fluorine ketone sulphur grass amine |
| CN107242243A (en) * | 2017-06-27 | 2017-10-13 | 东南大学成贤学院 | Herbicidal combinations and its application of a kind of careless amine of fluorinated ketones contained sulphur and pyridate |
| CN107242243B (en) * | 2017-06-27 | 2020-03-17 | 东南大学成贤学院 | Weeding composition containing triafamone and pyridate and application thereof |
| CN108719305A (en) * | 2018-06-05 | 2018-11-02 | 广东中迅农科股份有限公司 | Herbicidal combinations containing furans sulphur humulone and fluorine ketone sulphur grass amine and sulfonylurea herbicide |
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Application publication date: 20150325 |
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